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Pneumoconiosis

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https://www.readbyqxmd.com/read/27866562/-the-association-between-gene-polymorphisms-and-genetic-susceptibility-of-the-pathogenesis-of-pneumoconiosis
#1
F Liu, J A Hu
No abstract text is available yet for this article.
September 20, 2016: Chinese Journal of Industrial Hygiene and Occupational Diseases
https://www.readbyqxmd.com/read/27866547/-prevalence-of-pneumoconiosis-in-a-coal-enterprise-from-2002-to-2013
#2
X T Wang, G Zhang
Objective: To investigate the prevalence of pneumoconiosis in a coal enterprise, and to provide a basis for the prevention and treatment of pneumoconiosis. Methods: The workers' occupational health examination data were collected, and a cross-sectional study was performed to analyze the prevalence of pneumoconiosis. Results: A total of 62 976 person times of occupational health examination were performed for the workers exposed to dust in this enterprise from 2002 to 2013. There were 8 445 cases of pneumoconiosis diagnosed in total, and the mean detection rate was 13...
September 20, 2016: Chinese Journal of Industrial Hygiene and Occupational Diseases
https://www.readbyqxmd.com/read/27866546/-application-of-principal-component-analysis-in-comprehensive-indicator-screening-for-pneumoconiosis-in-different-regions
#3
J Zhang, S B Hao, C X Zhao, J Zhang, P Xu, Y W Cao, J Q Zhao, J G Li
Objective: To investigate the application of principal component analysis in comprehensive indicator screening for pneumoconiosis in different regions. Methods: A principal component analysis was performed for the data of 11 factors associated with the prediction of pneumoconiosis hazard and collected in the investigation on occupational health status conducted in 172 counties (districts) in Hebei, China. The degree of pneumoconiosis hazard in different regions was obtained and intuitively presented by GIS...
September 20, 2016: Chinese Journal of Industrial Hygiene and Occupational Diseases
https://www.readbyqxmd.com/read/27866545/-value-of-low-dose-multi-slice-spiral-ct-chest-scan-in-diagnosis-of-coal-workers-pneumoconiosis
#4
P Du, A H Cao, Z W Guo, Q Shao, K Xu
Objective: To investigate the value of low-dose multi-slice CT (MSCT) chest scan in the diagnosis of coal workers' pneumoconiosis. Methods: A total of 90 patients with a confirmed diagnosis of coal workers' pneumoconiosis were enrolled, and under the conditions of fixed tube voltage, pitch, and slice thickness, they underwent CT scan with a normal dose (150 mA) and a low dose (30-50 mA). The quality of images obtained from two scans was compared, and the imaging findings, opacity profusion, stage, and radiation doses were also compared...
September 20, 2016: Chinese Journal of Industrial Hygiene and Occupational Diseases
https://www.readbyqxmd.com/read/27866542/-analyse-coal-workers-pneumoconiosis-deaths-reported-in-beijing-since-1997-to-2014
#5
Y Fang, F R Zhang, X Y Chang
No abstract text is available yet for this article.
September 20, 2016: Chinese Journal of Industrial Hygiene and Occupational Diseases
https://www.readbyqxmd.com/read/27818418/uranium-workers-demonstrate-lower-lobe-predominant-irregular-pneumoconiotic-opacities-on-chest-radiographs
#6
Elizabeth Kocher, Kristi J Rendon, Denece Kesler, Tawny Wilson Boyce, Orrin Myers, Kandace Evans, Linda S Cook, Akshay Sood
BACKGROUND: There is a paucity of literature on the chest radiographic findings in uranium workers. OBJECTIVE: To characterize the chest radiographic findings of pneumoconiosis in a New Mexican cohort of uranium workers. METHODS: The most recent results from chest radiographs were abstracted in this cross-sectional study. RESULTS: Radiographs showed small pneumoconiotic opacities of profusion score of ≥ 1/0 in 155/429 (36...
2016: Journal of Health Care for the Poor and Underserved
https://www.readbyqxmd.com/read/27816911/chronic-obstructive-pulmonary-disease-in-welsh-slate-miners
#7
C J Reynolds, S J MacNeill, J Williams, N G Hodges, M J Campbell, A J Newman Taylor, P Cullinan
BACKGROUND: Exposure to respirable crystalline silica (RCS) causes emphysema, airflow limitation and chronic obstructive pulmonary disease (COPD). Slate miners are exposed to slate dust containing RCS but their COPD risk has not previously been studied. AIMS: To study the cumulative effect of mining on lung function and risk of COPD in a cohort of Welsh slate miners and whether these were independent of smoking and pneumoconiosis. METHODS: The study was based on a secondary analysis of Medical Research Council (MRC) survey data...
November 5, 2016: Occupational Medicine
https://www.readbyqxmd.com/read/27814727/myofibroblasts-and-lung-fibrosis-induced-by-carbon-nanotube-exposure
#8
REVIEW
Jie Dong, Qiang Ma
Carbon nanotubes (CNTs) are newly developed materials with unique properties and a range of industrial and commercial applications. A rapid expansion in the production of CNT materials may increase the risk of human exposure to CNTs. Studies in rodents have shown that certain forms of CNTs are potent fibrogenic inducers in the lungs to cause interstitial, bronchial, and pleural fibrosis characterized by the excessive deposition of collagen fibers and the scarring of involved tissues. The cellular and molecular basis underlying the fibrotic response to CNT exposure remains poorly understood...
November 4, 2016: Particle and Fibre Toxicology
https://www.readbyqxmd.com/read/27808662/elemental-properties-of-coal-slag-and-measured-airborne-exposures-at-two-coal-slag-processing-facilities
#9
Christopher Mugford, Randy Boylstein, Jenna L Gibbs
In 1974, the National Institute for Occupational Safety and Health recommended a ban on the use of silica sand abrasives containing >1% silica due to the risk of silicosis. This gave rise to substitutes including coal slag. An Occupational Safety and Health Administration investigation in 2010 uncovered a case cluster of suspected pneumoconiosis in four former workers at a coal slag processing facility in Illinois, possibly attributable to occupational exposure to coal slag dust. This article presents the results from a National Institute for Occupational Safety and Health industrial hygiene survey at the same coal slag processing facility and a second facility...
November 3, 2016: Journal of Occupational and Environmental Hygiene
https://www.readbyqxmd.com/read/27755862/socio-demographic-and-clinical-characteristics-of-turkish-workers-with-pneumoconiosis
#10
Hilal Altınöz, Cengiz Çelikkalkan, Gönül Dinç Horasan, Fatih Hamşioğlu, Nalan Cengiz, Hikmet Orbay
AIM: Pneumoconiosis is caused by inhaling dust. The aim of the study was to analyze 208 cases of workers' pneumoconiosis. METHOD: Patients' files were used for the descriptive study. RESULTS: All patients were male aged 38.82±13 years. The most important symptom was breathlessness. Patients were denim sandblasters (50.5%), dental technicians (12%), coal miners (6.7%), and others. The mean exposure time before pneumoconiosis occurred was shorter in denim sandblasters and teflon kitchenware producers compared to other occupations (5...
September 2016: Central European Journal of Public Health
https://www.readbyqxmd.com/read/27719977/imaging-of-occupational-lung-disease
#11
Jay Champlin, Rachael Edwards, Sudhakar Pipavath
Occupational lung diseases span a variety of pulmonary disorders caused by inhalation of dusts or chemical antigens in a vocational setting. Included in these are the classic mineral pneumoconioses of silicosis, coal worker's pneumoconiosis, and asbestos-related diseases as well as many immune-mediated and airway-centric diseases, and new and emerging disorders. Although some of these have characteristic imaging appearances, a multidisciplinary approach with focus on occupational exposure history is essential to proper diagnosis...
November 2016: Radiologic Clinics of North America
https://www.readbyqxmd.com/read/27699808/a-review-of-mortality-associated-with-elongate-mineral-particle-emp-exposure-in-occupational-epidemiology-studies-of-gold-talc-and-taconite-mining
#12
REVIEW
Jeffrey H Mandel, Bruce H Alexander, Gurumurthy Ramachandran
BACKGROUND: Mining of gold, taconite, and talc may involve exposure to elongate mineral particles (EMP). The involved EMPs are typically non-asbestiform, include dimensions that regulatory definitions exclude, and have been less studied. METHODS: A review of the literature was undertaken for this exposure and occupational epidemiological studies that occur in gold, talc, and taconite mining. RESULTS: Quantitative EMP exposure information in these industries is incomplete...
December 2016: American Journal of Industrial Medicine
https://www.readbyqxmd.com/read/27682668/-an-investigation-of-prevalence-of-occupational-diseases-and-treatment-implementation-in-migrant-workers-in-hunan-china
#13
L H Yang, Y L Xiao, B L Chen, H Q Tang, S J Lvqiu, G H Xia
Objective: To investigate the prevalence of occupational diseases and treatment implementation in migrant workers in Hunan, China, and to provide a scientific basis for related departments to develop preventive and treatment measures and social security system for migrant workers. Methods: A retrospective investigation was performed in 2015 to collect the information of occupational diseases in migrant workers, and age, type of work, type of occupational disease, and implementation of employment injury insurance for occupation diseases were analyzed...
August 20, 2016: Chinese Journal of Industrial Hygiene and Occupational Diseases
https://www.readbyqxmd.com/read/27682663/-hsp70-gene-polymorphism-on-genetic-susceptibility-to-the-coal-worker-s-penumoconiosis-of-han-nationality-in-xinjiang-china
#14
P He, W Su, J X Ma, D K He, Q H Li, W Ding, X H Huang, W H Chen
Objective: To explore the influence of heat shock protein 70 (HSP70) gene genetic susceptibility of coal worker's pneumoconiosis among the han nationality in xinjiang. Methods: 156 coal worker's pneumoconiosis patients and 96 mine workers were randomly selected from the han coal worker's pneumoconiosis patients and attend the health check retirement mine workers from March to December, 2014 in Xinjiang Uygur Autonomous Region of Occupational Disease Hospital. Using TaqMan genotyping methods to detect HSP70 genotype distribution in the two groups...
August 20, 2016: Chinese Journal of Industrial Hygiene and Occupational Diseases
https://www.readbyqxmd.com/read/27682490/-the-expression-of-serum-mirnas-in-pneumoconiosis-complicated-with-pulmonary-tuberculosis-patients
#15
Y T Liu, Q Zeng, S X Li, D Y Yang, W Y Xing, L M Feng, M Zhang
Objective: To inquiry the changes of serum miRNAs expression in pneumoconiosis complicated with pulmonary tuberculosis patients. Methods: The study subjects (all subjects are male) were divided into three groups: Ⅰstage pneumoconiosis (38 cases) 、Pneumoconiosis complicated with pulmonary tuberculosis (12 cases) and healthy control (40cases) . The first two groups come from Tianjin worker's sanatorium and healthy control group came from a Hospital Health Screening Center. RT-qPCR was used to detect the expression levels of miR-21, miR-200c, miR-16, miR-204, miR-206, miR-155, let-7g, miR-30b, miR-192, miR-29a in serum...
July 20, 2016: Chinese Journal of Industrial Hygiene and Occupational Diseases
https://www.readbyqxmd.com/read/27682487/-health-status-of-dust-exposed-workers-in-a-precision-casting-enterprise
#16
B Yu, B M Ding, C H Fan, Q D Liu, L Ding, B S Wang, J Wang, H D Zhang, F Zhang
Objective: To investigate the health status of workers exposed to zircon sand and silica dust in a precision casting enterprise, and to provide a basis for the development of prevention and control measures. Methods: Occupational health examination, questionnaire survey, and field investigation of occupational health were performed for 176 male workers (18 workers in the zirconium dust exposure group, 109 in the non-zirconium dust exposure group, and 49 in the non-dust exposure group) in a precision casting enterprise, and a statistical analysis was performed for the data obtained...
July 20, 2016: Chinese Journal of Industrial Hygiene and Occupational Diseases
https://www.readbyqxmd.com/read/27682486/-research-on-the-therapeutic-effects-of-drugs-on-patients-with-pneumoconiosis-in-china
#17
H Q Wang, T Li
Objective: To review the clinical research on the main drugs which are used to treat pneumoconiosis in China, evaluate and analyze the efficacy, and give the suggestions on the study of pneumoconiosis treatment. Methods: The data of researches on the therapeutic effects of eight main drugs on patients with pneumoconiosis in China were retrieved from CNKI and Wanfang database before Jan. 1, 2016 including polyvinylpyridine, tetrandrine, piperaquine phosphate, hydroxypiperaquine phosphate, aluminium citrate, Xinin, Xifeining and N-acetyl cysteine (NAC) after consulting the related project files on the clinical treatment on the patients with pneumoconiosis, and a systematic analysis was made on the random control test (RCT) which conformed to the quality criteria in terms of five indices such as the improvement rate of respiratory system symptoms such as cough, expectoration, chest pain and dyspnea, the decrease of the respiratory system infection rate, the changes in FEV1...
July 20, 2016: Chinese Journal of Industrial Hygiene and Occupational Diseases
https://www.readbyqxmd.com/read/27626436/polymorphisms-in-long-noncoding-rna-h19-contribute-to-the-protective-effects-of-coal-workers-pneumoconiosis-in-a-chinese-population
#18
Qiuyun Wu, Weiwen Yan, Ruhui Han, Jingjin Yang, Jiali Yuan, Xiaoming Ji, Yi Liu, Chunhui Ni
The H19 is a kind of long noncoding RNA, which has been implicated in multiple biological functions. However, the associations between genetic variants in H19 and susceptibility of coal workers' pneumoconiosis (CWP) have been seldom reported. In the present study, three potential polymorphisms (rs2067051, rs217727, and rs2839702) in H19 were genotyped in a case-control study including 703 CWP cases and 705 controls. We found that individuals with the H19 rs2067051 CT/TT genotypes showed a decreased risk of CWP compared with those with the CC genotype (adjusted OR = 0...
2016: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/27621877/clinical-statistics-analysis-on-the-characteristics-of-pneumoconiosis-of-chinese-miner-population
#19
Mei-Fang Wang, Run-Ze Li, Ying Li, Xue-Qin Cheng, Jun Yang, Wen Chen, Xing-Xing Fan, Hu-Dan Pan, Xiao-Jun Yao, Tao Ren, Xin Qian, Liang Liu, Elaine Lai-Han Leung, Yi-Jun Tang
BACKGROUND: Pneumoconiosis is one of the most common occupational diseases, which shows the progressive and irreversible pathological changes. It ultimately can induce pulmonary failure and lead to death. To date, these patients have no curative treatment option under the current standard of care, so it is especially important to delay the onset of the disease and slow down its progression. Therefore, understanding of clinical features of pneumoconiosis is particularly critical for medical intervention...
August 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/27606139/respiratory-systems-of-dental-technicians-negatively-affected-during-5-years-of-follow-up
#20
Nurgül Bozkurt, Belkıs Yurdasal, Ali İhsan Bozkurt, Özlem Yılmaz, Mahmut Tekin
BACKGROUND: Dental laboratory technician is one of the professions in which dust exposure is frequently experienced and therefore the health of workers has to be monitored. AIMS: In this study, changes in the pulmonary functions and of pneumoconiosis frequencies among dental technicians after five years were investigated by comparing the results of two screenings carried out in 2008 and 2013. STUDY DESIGN: Cohort study. METHODS: In 2008 and 2013, Provincial Health Directorate carried out two different health screenings covering all of the dental technicians working in dental laboratories in Denizli...
July 2016: Balkan Medical Journal
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